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#4489698 - 08/15/17 08:42 PM Syn vs Dino cold start
Camprunner Offline


Registered: 02/19/08
Posts: 1034
Loc: MA.
I have only used synthetic oil in the winter in the several SUV's I have owned over the years and always 5w30. Is there much of a cold starting difference between a 5w30 conventional oil vs a synthetic at say below zero? Has anyone here ever compared and noticed any difference?

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#4489701 - 08/15/17 08:46 PM Re: Syn vs Dino cold start [Re: Camprunner]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
I prefer synthetics at sub-zero temps but its been so long since I used a Dino that I couldn't offer a comparison.
_________________________
Multiple Diesel and Gasoline vehicles

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#4489705 - 08/15/17 08:52 PM Re: Syn vs Dino cold start [Re: Camprunner]
pbm Offline


Registered: 04/19/04
Posts: 7605
Loc: New York
I am certainly not an expert but I would say that it's below 0* F where the advantages of synthetic become apparent....
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'Journalism is Dead'

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#4489709 - 08/15/17 08:59 PM Re: Syn vs Dino cold start [Re: Camprunner]
WobblyElvis Online   content


Registered: 09/23/14
Posts: 1345
Loc: Toronto Canada
I notice a difference when it gets down below -10 F. Synthetic 5W30 seems to crank faster than dino. Years ago I put a synthetic fluid in the differential of a rear wheel drive car and I though it rolled easier at very low temps.

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#4489714 - 08/15/17 09:06 PM Re: Syn vs Dino cold start [Re: Camprunner]
Rolla07 Offline


Registered: 11/05/11
Posts: 4737
Loc: MTL, CANADA
Not scientific but i find car to crank easier on syn in extreme cold.
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


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#4489718 - 08/15/17 09:12 PM Re: Syn vs Dino cold start [Re: Camprunner]
ndfergy Offline


Registered: 03/28/16
Posts: 418
Loc: burlington ,ontario, canada
Hard to say but when we had a cold snap in February a couple of years ago in the mid -20's Celsius my dino 5w30 cranked over fine. However, if my winters were consistently at or below that temperature then synthetic would be my choice.


Edited by ndfergy (08/15/17 09:13 PM)
_________________________
2015 Toyota Yaris 5spd Manual
Summer: Mobil Super 1000 10w30
Winter: Mobil Super 1000 5w30
OEM Filter

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#4489727 - 08/15/17 09:31 PM Re: Syn vs Dino cold start [Re: Camprunner]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2569
Loc: MN
Originally Posted By: Camprunner
I have only used synthetic oil in the winter in the several SUV's I have owned over the years and always 5w30. Is there much of a cold starting difference between a 5w30 conventional oil vs a synthetic at say below zero? Has anyone here ever compared and noticed any difference?

By "below zero", I assume you mean Fahrenheit, not Celsius. 0 deg F = -18 deg C. We Americans seem to be the only ones on this forum who still use F.
Your freezer is about zero deg F, so put some in there and pour to compare. I think a dino would be noticeably thicker due to more waxy stuff in it.

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#4489749 - 08/15/17 09:59 PM Re: Syn vs Dino cold start [Re: Camprunner]
i_hate_autofraud Offline


Registered: 05/19/16
Posts: 705
Loc: Canada

Cold Comparison:

I did this a few years ago when I finally went 100% synthetic:

- 2 identical paper cups - 1 with 5W30 Dino the other with 5W30 100% synthetic same amount in both
- stick 'em both in the freezer for 2 hours (side by side for identical temps)
- take 'em out tilt the cups over 45 degrees and see how they flow
- results: 100% synthetic flowed freely! Dino oil was almost as thick as molasses! Figure it was 3-4x thicker!

More scientific method is use a Viscosity meter to measure the samples.

In Car:

In car you don't get to do a side by side comparison of Dino and Synthetic oil cold start for obvious practical reasons.
But you can notice a quicker turn over if all other factors are the same, ie battery not weak, etc.
For me, quick starts and obviously lower wear during starting with oil at the bearings as fast as
it would in the summer is a plus!

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#4489763 - 08/15/17 10:14 PM Re: Syn vs Dino cold start [Re: Camprunner]
ndfergy Offline


Registered: 03/28/16
Posts: 418
Loc: burlington ,ontario, canada
Here's a Youtube comparison at -6F. The tester didn't find much difference.

_________________________
2015 Toyota Yaris 5spd Manual
Summer: Mobil Super 1000 10w30
Winter: Mobil Super 1000 5w30
OEM Filter

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#4489780 - 08/15/17 10:31 PM Re: Syn vs Dino cold start [Re: WobblyElvis]
CKN Offline


Registered: 10/14/14
Posts: 3700
Loc: Utah
Originally Posted By: WobblyElvis
I notice a difference when it gets down below -10 F. Synthetic 5W30 seems to crank faster than dino. Years ago I put a synthetic fluid in the differential of a rear wheel drive car and I though it rolled easier at very low temps.


Unbelievable. Like you could qualify a statement like this..........

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#4489835 - 08/16/17 01:11 AM Re: Syn vs Dino cold start [Re: Camprunner]
Marco620 Offline


Registered: 02/25/14
Posts: 2186
Loc: Deplorable Kansan,HK fan!
You like in Massachusetts,stay synthetic.Go Habs Go.
_________________________
2015 Civic 162k mi.0w20 Redline/Archoil,HPS SRI,Yokohama/Moog links Borla Exhaust/Vibrant Resonator/Tein Suspension
Go Nashville Predators!

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#4489845 - 08/16/17 02:04 AM Re: Syn vs Dino cold start [Re: Camprunner]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2381
Loc: Balearic Islands , Spain
The very reason synthetic motor oils were invented in the first place is because the US army wanted a motor oil that would not turn to concrete for the vehicles operating at bases in the Arctic in Alaska and such, the colder it gets the more pronounced the difference between synthetic and dino gets, at 0C ( 32F ) the difference is very small, either a 5W-30 Dino or a 5W-30 Synthetic oil will flow more than adequately.
At -40 though the difference will be more pronounced, as it gets colder and colder the waxes in mineral oils thicken considerably more.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4489865 - 08/16/17 04:17 AM Re: Syn vs Dino cold start [Re: Camprunner]
Ammofirst Offline


Registered: 06/22/17
Posts: 353
Loc: Western usa
When the temps dip below -10, I'll only use synthetic underwear. It helps me flow a little faster

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#4489873 - 08/16/17 04:41 AM Re: Syn vs Dino cold start [Re: Ammofirst]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2381
Loc: Balearic Islands , Spain
Originally Posted By: Ammofirst
When the temps dip below -10, I'll only use synthetic underwear. It helps me flow a little faster

lol
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4489877 - 08/16/17 05:09 AM Re: Syn vs Dino cold start [Re: Ammofirst]
diagnosticator1 Offline


Registered: 03/12/10
Posts: 6
Loc: Seattle, WA
Originally Posted By: Ammofirst
When the temps dip below -10, I'll only use synthetic underwear. It helps me flow a little faster





Edited by diagnosticator1 (08/16/17 05:11 AM)

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